When movies like “Breaking Dawn Pt. 2” and “Skyfall” are released, the good news is that celebrities have many, many premieres to attend. The problem? Getting great outfits to wear to each one. Some meet the mighty challenge, but some, as you might expect, fall a little short. Here’s a look at stars such as Kristen Stewart, Keira Knightley, Elle Fanning, Julia Stiles, Isla Fisher and others as they do their best to shine.